Optical glass provides high-definition image quality and effectively reduces water droplets and water vapor. Aluminum alloy frame is durable, reliable, and sturdy. Scratch-resistant and wear-resistant for long-lasting performance. NIGHT Anti Light Damage Filter helps reduce common light pollution such as yellow light from high-pressure sodium lamps, street lights, and artificial light sources. This filter minimizes color deviation caused by light reflecting into the night sky, enhancing night photography clarity and contrast. Note: Product appearance, color, and printed text may vary slightly between batches, but this does not affect functionality. Camera Lens Filter: NIGHT Anti Light Damage Color: Dark Gray Material: Optical glass with aluminum frame Package Contents: 1 x Lens Filter (Other items not included) Note: Due to lighting and display differences, the actual color may vary slightly from the image. Measurement error allowed within +/- 1-3 cm.